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- Furthermore, biogenic minerals in geological environments can be used as biosignatures, which help to retrieve the origin and evolution of life on Earth and other planets. 此外,在地质环境中生物成因的矿物还可以作为一种生物信号,用来重建地球和其他行星的起源和演化。
- The second period, from 1.25 Ma to 0.8 Ma, showed low biogenous mineral contents and represented a severe environment. 第三时期,四十八万年到八十万年前左右,生物源矿物的组成几乎只有方解石,可反应营养盐组成变化,而造成钙质壳体生物成为优势;
- He doubles the parts of a farmhand and a miner. 在这出戏里他既扮演雇农又扮演矿工。
- It possessed rich mineral deposits, including gold. 它拥有丰富的矿藏,包括黄金。
- The country possesses rich mineral resources. 这个国家有丰富的矿产资源。
- No potassium did we find in this mineral. 在这种矿石中我们没有发现钾。
- A miner's lamp is fixed onto his helmet. 矿灯固定在矿工的头盔上。
- The third period, from 0.8 Ma to 0.48 Ma, calcite was the major biogenous minerals instead of opal.It implied a different nutrient condition. 第四时期,约四十八万年以来的沉积物记录大致可以与晚第四纪全球气候十万年周期的变迁相呼应。
- The gold miner staked out his claim. 那位淘金者立桩标出他的地界。
- He sketched the coal miner in a few minutes. 他几分钟就画了一幅那位煤矿工人的素描。
- Those countries are rich in mineral resources. 那些国家矿物资源很丰富。
- We are digging for mineral deposits. 我们正在掘地探矿。
- Each mineral has crystals of a particular shape. 每种矿物的晶体都有其特殊的形状。
- I think it is dangerous to be a miner. 我认为当矿工是很危险的。
- A narrowing of a mineral deposit, as in a mine. 减少矿物沉积物的减少,如在煤矿中
- An actual or probable mineral deposit. 矿石,矿藏确实的或可能的矿藏
- biogenic mineral 生物矿物
- Fermentation is a biogenic process. 发酵是一种生物化学反应过程。
- Thus perhaps even clouds and rain may be biogenic. 以此推论,甚至乎云层雨水也是由生物活动产生的。
- The steel worker come out in sympathy with the miner. 钢铁工人为声援矿工举行了罢工。